That's two half lives. 5/8 * 2 * 2 = 20/8 = 5/2 pounds7/8 * 2 * 2 = 28/8 = 7/2 pounds
54=.9x Solve for x. x=54/.9=60
Answer:
if ur du ur us du
Step-by-step explanation:
ur ydxurxru
the answer is
x=8y/3(1-8y)
y=3x/8(1+3x)
hope this helped l used cymath to solve this problem.
good day : )